A military acronym. Short for PERsonal SECurity. Used in conjuction with Operational Security (OPSEC) to protect the flow of information to undesirable or non-essential parties.

PERSEC'd info is often personal information about a person/soldier/civilian that, if leaked or passed on to the wrong party, could result in either harm, defamation, or potentially even death to said person. As such, the principles of both OPSEC and PERSEC are taught to pretty much every recruit early on in-training as basic counter-intelligence.